Fig. 2

Historical change in the publication rate. A Absolute number of included publications on home cage monitoring (HCM) of mice and rats (n = 520 publications). B The ratio of HCM references (n = 520 publications) relative to the overall number of studies in mice or rats (n = 3,124,961 publications) published in the years 1974 to 2020. The overall number of studies in mice or rats was retrieved through a search in PubMed using the search string: “mice”[MeSH Terms] OR “mice”[All Fields] OR “rats”[MeSH Terms] OR “rats”[All Fields]; filter: other animals)